Oiles offers their 500 series bearings. Their 500 AB bearings are made of an aluminum bronze composition. The 500 SP1 bearing features high strength brass alloy available with graphite. The 500 F are made of economical cast iron metal. Sintered bushing products are also available with options such as flanged or straight types, in metric sizes, oil impregnated, and with machined steel body construction. Sintered bushings out perform plain bearings.

National Bronze Co. manufactures and distributes bronze bushing products, custom bronze bearings, and bronze bar, tube and plate. They have a standard line of bronze sleeve bearings always well stocked. Bronze bushing products included Trunnion, King Pin and Bowl types. Bronze thrust washers are also available. Custom bronze bearings include graphite plugged and graphite filled grooved types. National stocks thousands of cast bronze sleeve bearings. They also stock plain bore and sintered bronze bushings.